[PATCH 20/38] media: saa7134-alsa.c: number of pages should be unsigned long
From: Mauro Carvalho Chehab
Date: Wed Sep 02 2020 - 12:16:23 EST
As reported by smatch:
drivers/media/pci/saa7134/saa7134-alsa.c:267 saa7134_alsa_dma_init() warn: should 'nr_pages << 12' be a 64 bit type?
the number of patches should be unsigned long.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
drivers/media/pci/saa7134/saa7134-alsa.c | 7 ++++---
drivers/media/pci/saa7134/saa7134.h | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c
index 544ca57eee75..347ecb0bab2f 100644
--- a/drivers/media/pci/saa7134/saa7134-alsa.c
+++ b/drivers/media/pci/saa7134/saa7134-alsa.c
@@ -252,7 +252,8 @@ static int snd_card_saa7134_capture_trigger(struct snd_pcm_substream * substream
return err;
}
-static int saa7134_alsa_dma_init(struct saa7134_dev *dev, int nr_pages)
+static int saa7134_alsa_dma_init(struct saa7134_dev *dev,
+ unsigned long nr_pages)
{
struct saa7134_dmasound *dma = &dev->dmasound;
struct page *pg;
@@ -260,11 +261,11 @@ static int saa7134_alsa_dma_init(struct saa7134_dev *dev, int nr_pages)
dma->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
if (NULL == dma->vaddr) {
- pr_debug("vmalloc_32(%d pages) failed\n", nr_pages);
+ pr_debug("vmalloc_32(%lu pages) failed\n", nr_pages);
return -ENOMEM;
}
- pr_debug("vmalloc is at addr %p, size=%d\n",
+ pr_debug("vmalloc is at addr %p, size=%lu\n",
dma->vaddr, nr_pages << PAGE_SHIFT);
memset(dma->vaddr, 0, nr_pages << PAGE_SHIFT);
diff --git a/drivers/media/pci/saa7134/saa7134.h b/drivers/media/pci/saa7134/saa7134.h
index 77c325e64a97..d29499cd7370 100644
--- a/drivers/media/pci/saa7134/saa7134.h
+++ b/drivers/media/pci/saa7134/saa7134.h
@@ -509,7 +509,7 @@ struct saa7134_dmasound {
void *vaddr;
struct scatterlist *sglist;
int sglen;
- int nr_pages;
+ unsigned long nr_pages;
unsigned int dma_blk;
unsigned int read_offset;
unsigned int read_count;
--
2.26.2